Screws, bolts and nuts are used for creating threads, connected with certain torques necessary to ensure the prevention of displacement of connected components and samorazbora. Although a number of nails cases may serve the same purpose, the screws are more secure because they have a thread and can gain a foothold in the body of […]

So back to the process. LED backlight for easier use plasterboard ceiling rectangular LED modules are in contrast to the round gives a more uniform light line. Also You can use the LED strings – their advantage, high uniformity of illumination, and the disadvantages: high cost compared with LED clusters and prenasyschennost color in interior […]

Crane – Closing regulating or switchgear. The main parts are the valve body and closure (stopper) in the form of a cone, cylinder, sphere or disc. For the passage of the medium in the gate provided a through hole or channel different forms, thus providing the required throughput characteristics when using the crane as a […]